Activity 4: Follow the path
1. What do the rectangular arms represent in this activity?
2. Which is closer to the Earth/ farther to the Earth (sun or moon)?
3. What do you think will happen if the Earth and other planets do not follow a constant path for their revolution?
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Answers & Comments
Answer:
1. It represent the moon ,earth and sun, To how it move around in sun and the moon around in earth.
2. During a half moon, the three celestial bodies should form a right angle. By measuring the angle at Earth between the sun and moon, he determined the sun was 19 times as far from the planet as the moon, and thus 19 times as big. In fact, the sun is about 400 times larger than the moon.
3. If the Earth stopped spinning on its axis, the oceans would gradually move from the equator to the poles. ... You could go around the world on the equator and keep completely dry, ignoring the bitter cold at night and the scorching heat during day.